Multiply then simplify, that's doing the same work twice...anyway
x^3+x^2y+xy^2-x^2y-xy^2-y^3
x^3-y^3  which if factored is:
(x-y)(x^2+xy+y^2)  which is what you started with :)
        
             
        
        
        
Answer:
The radius of the circle with the circumfrence we need to find is 15+3=18.
18*2pi=113.04
 
        
             
        
        
        
Answer:
No. A trapezoid is a shape with four sides, while a hexagon is a shape with six sides.
Step-by-step explanation: